./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5b41ff920513b74db566933dfdd7430dbdb0b5764645b98d18d29abf93fb4135 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:41:29,837 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:41:29,900 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 02:41:29,904 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 02:41:29,905 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 02:41:29,928 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:41:29,929 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:41:29,929 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:41:29,930 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:41:29,931 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:41:29,931 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:41:29,932 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:41:29,932 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 02:41:29,933 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 02:41:29,933 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 02:41:29,934 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:41:29,934 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:41:29,935 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:41:29,935 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:41:29,936 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 02:41:29,937 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:41:29,937 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:41:29,938 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:41:29,938 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:41:29,939 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:41:29,939 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:41:29,940 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:41:29,941 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:41:29,941 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:41:29,942 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:41:29,942 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 02:41:29,942 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 02:41:29,943 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:41:29,943 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b41ff920513b74db566933dfdd7430dbdb0b5764645b98d18d29abf93fb4135 [2023-12-03 02:41:30,146 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:41:30,182 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:41:30,184 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:41:30,185 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:41:30,186 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:41:30,187 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-2.i [2023-12-03 02:41:32,943 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:41:33,190 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:41:33,190 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-2.i [2023-12-03 02:41:33,208 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/data/a2e66b121/fc9bbd42c98a444798fb9637977fd36a/FLAG6eac1cada [2023-12-03 02:41:33,223 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/data/a2e66b121/fc9bbd42c98a444798fb9637977fd36a [2023-12-03 02:41:33,225 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:41:33,226 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:41:33,227 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:41:33,227 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:41:33,231 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:41:33,232 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:41:33" (1/1) ... [2023-12-03 02:41:33,233 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@285e84c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:33, skipping insertion in model container [2023-12-03 02:41:33,233 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:41:33" (1/1) ... [2023-12-03 02:41:33,298 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:41:33,677 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-2.i[37019,37032] [2023-12-03 02:41:33,763 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-2.i[47352,47365] [2023-12-03 02:41:33,778 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:41:33,788 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:41:33,822 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-2.i[37019,37032] [2023-12-03 02:41:33,913 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-2.i[47352,47365] [2023-12-03 02:41:33,923 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:41:33,958 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:41:33,966 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:41:33,966 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:33 WrapperNode [2023-12-03 02:41:33,967 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:41:33,968 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:41:33,968 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:41:33,968 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:41:33,975 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:33" (1/1) ... [2023-12-03 02:41:34,003 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:33" (1/1) ... [2023-12-03 02:41:34,061 INFO L138 Inliner]: procedures = 208, calls = 286, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1372 [2023-12-03 02:41:34,062 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:41:34,063 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:41:34,063 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:41:34,063 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:41:34,073 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:33" (1/1) ... [2023-12-03 02:41:34,073 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:33" (1/1) ... [2023-12-03 02:41:34,085 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:33" (1/1) ... [2023-12-03 02:41:34,085 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:33" (1/1) ... [2023-12-03 02:41:34,132 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:33" (1/1) ... [2023-12-03 02:41:34,146 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:33" (1/1) ... [2023-12-03 02:41:34,152 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:33" (1/1) ... [2023-12-03 02:41:34,160 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:33" (1/1) ... [2023-12-03 02:41:34,169 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:41:34,170 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:41:34,170 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:41:34,170 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:41:34,171 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:33" (1/1) ... [2023-12-03 02:41:34,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:41:34,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:41:34,200 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:41:34,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:41:34,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-03 02:41:34,228 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-03 02:41:34,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 02:41:34,229 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-03 02:41:34,229 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 02:41:34,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 02:41:34,229 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 02:41:34,229 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 02:41:34,229 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 02:41:34,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 02:41:34,229 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 02:41:34,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:41:34,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 02:41:34,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 02:41:34,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:41:34,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:41:34,434 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:41:34,435 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:41:35,717 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:41:37,019 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:41:37,019 INFO L309 CfgBuilder]: Removed 63 assume(true) statements. [2023-12-03 02:41:37,021 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:41:37 BoogieIcfgContainer [2023-12-03 02:41:37,021 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:41:37,022 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:41:37,022 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:41:37,032 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:41:37,032 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:41:37" (1/1) ... [2023-12-03 02:41:37,041 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:41:37,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:41:37,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 131 states and 222 transitions. [2023-12-03 02:41:37,100 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 222 transitions. [2023-12-03 02:41:37,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 02:41:37,102 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:41:37,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:41:37,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:41:37,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:41:37,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:41:37,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 131 states and 217 transitions. [2023-12-03 02:41:37,294 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 217 transitions. [2023-12-03 02:41:37,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 02:41:37,298 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:41:37,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:41:37,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:41:37,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:41:37,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:41:37,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 133 states and 216 transitions. [2023-12-03 02:41:37,501 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 216 transitions. [2023-12-03 02:41:37,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 02:41:37,503 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:41:37,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:41:37,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:41:37,601 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:41:37,607 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:41:37,616 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:41:37,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:41:37,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 133 states and 212 transitions. [2023-12-03 02:41:37,626 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 212 transitions. [2023-12-03 02:41:37,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 02:41:37,628 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:41:37,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:41:37,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:41:37,735 INFO L262 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:41:37,738 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:41:37,772 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:41:47,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:41:47,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:41:47,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 133 states and 206 transitions. [2023-12-03 02:41:47,823 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 206 transitions. [2023-12-03 02:41:47,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:41:47,825 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:41:47,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:41:47,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:41:47,974 INFO L262 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:41:47,977 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:41:47,982 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:41:47,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:41:47,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 133 states and 200 transitions. [2023-12-03 02:41:47,990 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 200 transitions. [2023-12-03 02:41:47,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-03 02:41:47,992 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:41:47,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:41:48,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:41:48,172 INFO L262 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:41:48,176 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:41:48,180 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:41:58,203 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:41:58,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:41:58,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 133 states and 192 transitions. [2023-12-03 02:41:58,307 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 192 transitions. [2023-12-03 02:41:58,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:41:58,309 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:41:58,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:41:58,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:41:58,611 INFO L262 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:41:58,615 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:41:58,697 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:42:08,869 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:42:18,897 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:42:28,925 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:42:38,955 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:42:38,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:42:38,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 146 states and 207 transitions. [2023-12-03 02:42:38,992 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 207 transitions. [2023-12-03 02:42:38,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 02:42:38,994 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:42:38,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:42:39,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:42:39,215 INFO L262 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:42:39,218 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:42:39,223 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:42:39,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:42:39,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 146 states and 205 transitions. [2023-12-03 02:42:39,233 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 205 transitions. [2023-12-03 02:42:39,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-12-03 02:42:39,234 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:42:39,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:42:39,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:42:39,520 INFO L262 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:42:39,523 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:42:39,527 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:42:49,538 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:42:49,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:42:49,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 146 states and 203 transitions. [2023-12-03 02:42:49,568 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 203 transitions. [2023-12-03 02:42:49,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 02:42:49,569 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:42:49,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:42:49,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:42:49,839 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:42:49,842 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:42:49,925 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:42:59,941 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:43:09,967 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:43:19,997 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:43:30,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:43:30,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:43:30,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 149 states and 205 transitions. [2023-12-03 02:43:30,070 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 205 transitions. [2023-12-03 02:43:30,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-03 02:43:30,071 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:43:30,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:43:30,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:43:30,393 INFO L262 TraceCheckSpWp]: Trace formula consists of 548 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:43:30,397 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:43:30,513 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 02:43:40,648 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:43:50,680 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:44:00,711 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:44:10,740 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:44:21,476 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:44:31,509 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:44:41,537 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:44:51,564 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:44:51,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:44:51,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 195 states and 264 transitions. [2023-12-03 02:44:51,610 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 264 transitions. [2023-12-03 02:44:51,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-03 02:44:51,612 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:44:51,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:44:51,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:44:51,984 INFO L262 TraceCheckSpWp]: Trace formula consists of 548 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:44:51,987 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:44:51,992 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 02:44:52,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:44:52,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 195 states and 260 transitions. [2023-12-03 02:44:52,007 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 260 transitions. [2023-12-03 02:44:52,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-03 02:44:52,008 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:44:52,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:44:52,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:44:52,376 INFO L262 TraceCheckSpWp]: Trace formula consists of 562 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:44:52,379 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:44:52,384 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 02:45:02,405 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:45:02,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:45:02,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 195 states and 258 transitions. [2023-12-03 02:45:02,440 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 258 transitions. [2023-12-03 02:45:02,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-03 02:45:02,441 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:45:02,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:45:02,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:45:02,783 INFO L262 TraceCheckSpWp]: Trace formula consists of 571 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:45:02,786 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:45:02,873 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:45:12,890 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:45:22,921 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:45:32,956 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:45:42,995 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:45:43,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:45:43,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 198 states and 260 transitions. [2023-12-03 02:45:43,033 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 260 transitions. [2023-12-03 02:45:43,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-03 02:45:43,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:45:43,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:45:43,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:45:43,384 INFO L262 TraceCheckSpWp]: Trace formula consists of 589 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:45:43,387 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:45:43,392 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 02:45:43,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:45:43,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 198 states and 258 transitions. [2023-12-03 02:45:43,586 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 258 transitions. [2023-12-03 02:45:43,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-03 02:45:43,587 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:45:43,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:45:43,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:45:43,976 INFO L262 TraceCheckSpWp]: Trace formula consists of 571 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:45:43,980 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:45:44,064 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:45:54,076 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:46:04,106 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:46:14,139 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:46:24,171 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:46:24,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:46:24,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 181 states and 237 transitions. [2023-12-03 02:46:24,209 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 237 transitions. [2023-12-03 02:46:24,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:46:24,210 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:46:24,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:46:34,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 02:46:34,548 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-03 02:46:34,551 INFO L158 Benchmark]: Toolchain (without parser) took 301324.87ms. Allocated memory was 140.5MB in the beginning and 228.6MB in the end (delta: 88.1MB). Free memory was 100.7MB in the beginning and 121.6MB in the end (delta: -20.9MB). Peak memory consumption was 69.6MB. Max. memory is 16.1GB. [2023-12-03 02:46:34,552 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 96.5MB. Free memory was 69.2MB in the beginning and 69.2MB in the end (delta: 25.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:46:34,553 INFO L158 Benchmark]: CACSL2BoogieTranslator took 739.73ms. Allocated memory is still 140.5MB. Free memory was 100.7MB in the beginning and 100.1MB in the end (delta: 608.8kB). Peak memory consumption was 39.4MB. Max. memory is 16.1GB. [2023-12-03 02:46:34,553 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.44ms. Allocated memory is still 140.5MB. Free memory was 100.1MB in the beginning and 91.7MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-03 02:46:34,554 INFO L158 Benchmark]: Boogie Preprocessor took 106.83ms. Allocated memory is still 140.5MB. Free memory was 91.7MB in the beginning and 82.5MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-03 02:46:34,555 INFO L158 Benchmark]: RCFGBuilder took 2851.23ms. Allocated memory was 140.5MB in the beginning and 228.6MB in the end (delta: 88.1MB). Free memory was 82.5MB in the beginning and 129.6MB in the end (delta: -47.1MB). Peak memory consumption was 93.0MB. Max. memory is 16.1GB. [2023-12-03 02:46:34,555 INFO L158 Benchmark]: CodeCheck took 297528.32ms. Allocated memory is still 228.6MB. Free memory was 128.6MB in the beginning and 121.6MB in the end (delta: 6.9MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2023-12-03 02:46:34,559 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 96.5MB. Free memory was 69.2MB in the beginning and 69.2MB in the end (delta: 25.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 739.73ms. Allocated memory is still 140.5MB. Free memory was 100.7MB in the beginning and 100.1MB in the end (delta: 608.8kB). Peak memory consumption was 39.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.44ms. Allocated memory is still 140.5MB. Free memory was 100.1MB in the beginning and 91.7MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 106.83ms. Allocated memory is still 140.5MB. Free memory was 91.7MB in the beginning and 82.5MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2851.23ms. Allocated memory was 140.5MB in the beginning and 228.6MB in the end (delta: 88.1MB). Free memory was 82.5MB in the beginning and 129.6MB in the end (delta: -47.1MB). Peak memory consumption was 93.0MB. Max. memory is 16.1GB. * CodeCheck took 297528.32ms. Allocated memory is still 228.6MB. Free memory was 128.6MB in the beginning and 121.6MB in the end (delta: 6.9MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 02:46:34,742 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5b41ff920513b74db566933dfdd7430dbdb0b5764645b98d18d29abf93fb4135 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:46:36,743 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:46:36,830 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 02:46:36,870 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:46:36,871 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:46:36,871 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:46:36,872 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:46:36,873 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:46:36,874 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:46:36,875 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:46:36,876 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 02:46:36,876 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 02:46:36,877 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:46:36,877 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:46:36,878 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:46:36,879 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:46:36,880 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 02:46:36,880 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 02:46:36,881 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 02:46:36,882 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 02:46:36,882 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:46:36,883 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:46:36,884 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:46:36,884 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:46:36,885 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:46:36,886 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:46:36,886 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 02:46:36,887 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:46:36,888 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:46:36,888 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:46:36,889 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:46:36,890 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:46:36,890 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 02:46:36,890 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:46:36,891 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:46:36,891 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 02:46:36,891 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 02:46:36,892 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b41ff920513b74db566933dfdd7430dbdb0b5764645b98d18d29abf93fb4135 [2023-12-03 02:46:37,262 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:46:37,287 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:46:37,290 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:46:37,292 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:46:37,293 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:46:37,295 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-2.i [2023-12-03 02:46:40,762 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:46:41,129 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:46:41,130 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-2.i [2023-12-03 02:46:41,151 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/data/585161c10/bbbcd4faaa90407dabc1c6d72449986a/FLAGc098aec8d [2023-12-03 02:46:41,167 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/data/585161c10/bbbcd4faaa90407dabc1c6d72449986a [2023-12-03 02:46:41,170 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:46:41,172 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:46:41,174 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:46:41,174 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:46:41,178 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:46:41,179 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:46:41" (1/1) ... [2023-12-03 02:46:41,180 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35df326e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:46:41, skipping insertion in model container [2023-12-03 02:46:41,180 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:46:41" (1/1) ... [2023-12-03 02:46:41,256 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:46:41,644 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-2.i[37019,37032] [2023-12-03 02:46:41,760 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-2.i[47352,47365] [2023-12-03 02:46:41,776 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:46:41,791 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-03 02:46:41,804 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:46:41,824 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-2.i[37019,37032] [2023-12-03 02:46:41,869 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-2.i[47352,47365] [2023-12-03 02:46:41,879 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:46:41,884 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:46:41,910 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-2.i[37019,37032] [2023-12-03 02:46:41,964 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-2.i[47352,47365] [2023-12-03 02:46:41,974 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:46:42,017 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:46:42,025 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:46:42,026 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:46:42 WrapperNode [2023-12-03 02:46:42,026 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:46:42,027 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:46:42,027 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:46:42,027 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:46:42,035 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:46:42" (1/1) ... [2023-12-03 02:46:42,070 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:46:42" (1/1) ... [2023-12-03 02:46:42,129 INFO L138 Inliner]: procedures = 211, calls = 286, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1045 [2023-12-03 02:46:42,130 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:46:42,130 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:46:42,131 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:46:42,131 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:46:42,141 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:46:42" (1/1) ... [2023-12-03 02:46:42,141 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:46:42" (1/1) ... [2023-12-03 02:46:42,154 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:46:42" (1/1) ... [2023-12-03 02:46:42,154 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:46:42" (1/1) ... [2023-12-03 02:46:42,211 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:46:42" (1/1) ... [2023-12-03 02:46:42,222 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:46:42" (1/1) ... [2023-12-03 02:46:42,227 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:46:42" (1/1) ... [2023-12-03 02:46:42,234 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:46:42" (1/1) ... [2023-12-03 02:46:42,244 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:46:42,245 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:46:42,245 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:46:42,245 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:46:42,246 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:46:42" (1/1) ... [2023-12-03 02:46:42,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:46:42,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:46:42,282 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:46:42,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:46:42,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-12-03 02:46:42,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 02:46:42,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-03 02:46:42,343 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-03 02:46:42,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 02:46:42,343 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-03 02:46:42,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 02:46:42,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 02:46:42,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 02:46:42,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 02:46:42,344 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 02:46:42,344 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 02:46:42,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 02:46:42,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:46:42,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 02:46:42,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:46:42,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:46:42,537 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:46:42,539 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:46:58,522 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:46:59,120 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:46:59,121 INFO L309 CfgBuilder]: Removed 63 assume(true) statements. [2023-12-03 02:46:59,123 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:46:59 BoogieIcfgContainer [2023-12-03 02:46:59,123 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:46:59,124 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:46:59,124 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:46:59,136 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:46:59,137 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:46:59" (1/1) ... [2023-12-03 02:46:59,149 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:46:59,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:46:59,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 131 states and 222 transitions. [2023-12-03 02:46:59,225 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 222 transitions. [2023-12-03 02:46:59,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 02:46:59,228 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:46:59,229 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:46:59,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:46:59,248 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:46:59,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 02:46:59,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:46:59,526 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:46:59,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:46:59,595 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:46:59,599 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:46:59,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:46:59,618 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 02:46:59,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:46:59,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 131 states and 217 transitions. [2023-12-03 02:46:59,654 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 217 transitions. [2023-12-03 02:46:59,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 02:46:59,659 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:46:59,660 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:46:59,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:46:59,661 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:46:59,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 02:46:59,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:46:59,948 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:47:00,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:00,010 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:47:00,012 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:47:00,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:47:00,018 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 02:47:00,019 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-12-03 02:47:00,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:47:00,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 131 states and 213 transitions. [2023-12-03 02:47:00,115 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 213 transitions. [2023-12-03 02:47:00,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 02:47:00,116 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:47:00,116 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:47:00,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:47:00,117 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:47:00,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 02:47:00,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:00,371 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:47:00,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:00,435 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:47:00,438 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:47:00,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:47:00,452 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 02:47:00,453 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 02:47:00,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:47:00,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 131 states and 211 transitions. [2023-12-03 02:47:00,461 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 211 transitions. [2023-12-03 02:47:00,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 02:47:00,463 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:47:00,464 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:47:00,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:47:00,465 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:47:00,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 02:47:00,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:00,747 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:47:00,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:00,826 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:47:00,829 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:47:00,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:47:00,839 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 02:47:00,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:47:00,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 131 states and 209 transitions. [2023-12-03 02:47:00,879 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 209 transitions. [2023-12-03 02:47:00,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 02:47:00,881 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:47:00,881 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:47:00,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:47:00,883 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:47:00,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 02:47:01,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:01,332 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:47:01,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:01,477 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-03 02:47:01,483 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:47:01,530 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-03 02:47:01,531 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-03 02:47:01,532 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-03 02:47:01,546 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 39 [2023-12-03 02:47:01,646 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 02:47:01,646 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 26 [2023-12-03 02:47:01,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:47:01,679 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 02:47:01,679 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 02:47:02,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:47:02,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 133 states and 212 transitions. [2023-12-03 02:47:02,695 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 212 transitions. [2023-12-03 02:47:02,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-03 02:47:02,697 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:47:02,698 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:47:02,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:47:02,699 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:47:02,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 02:47:02,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:02,990 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:47:03,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:03,139 INFO L262 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:47:03,141 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:47:03,145 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:47:03,149 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-03 02:47:03,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:47:03,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 133 states and 210 transitions. [2023-12-03 02:47:03,160 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 210 transitions. [2023-12-03 02:47:03,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 02:47:03,161 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:47:03,162 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:47:03,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:47:03,163 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:47:03,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 02:47:03,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:03,497 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:47:03,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:03,634 INFO L262 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:47:03,643 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:47:03,647 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:47:03,651 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-03 02:47:03,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:47:03,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 133 states and 206 transitions. [2023-12-03 02:47:03,661 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 206 transitions. [2023-12-03 02:47:03,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:47:03,662 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:47:03,663 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:47:03,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:47:03,664 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:47:03,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 02:47:03,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:03,988 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:47:04,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:04,169 INFO L262 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:47:04,172 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:47:04,176 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:47:04,181 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-03 02:47:04,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:47:04,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 133 states and 200 transitions. [2023-12-03 02:47:04,193 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 200 transitions. [2023-12-03 02:47:04,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-03 02:47:04,194 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:47:04,195 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:47:04,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:47:04,196 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:47:04,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 02:47:04,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:04,622 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:47:04,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:04,872 INFO L262 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:47:04,874 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:47:04,877 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:47:04,884 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2023-12-03 02:47:06,120 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:47:06,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:47:06,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 133 states and 194 transitions. [2023-12-03 02:47:06,141 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 194 transitions. [2023-12-03 02:47:06,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:47:06,142 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:47:06,143 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:47:06,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:47:06,144 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:47:06,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 02:47:06,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:06,650 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:47:06,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:06,975 INFO L262 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:47:06,978 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:47:07,135 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:47:07,140 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-03 02:47:08,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:47:08,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 146 states and 209 transitions. [2023-12-03 02:47:08,762 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 209 transitions. [2023-12-03 02:47:08,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:47:08,763 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:47:08,764 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:47:08,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:47:08,765 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:47:08,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-03 02:47:09,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:09,239 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:47:09,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:09,500 INFO L262 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:47:09,502 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:47:09,504 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:47:09,509 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-03 02:47:09,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:47:09,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 146 states and 207 transitions. [2023-12-03 02:47:09,520 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 207 transitions. [2023-12-03 02:47:09,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 02:47:09,521 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:47:09,521 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:47:09,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:47:09,522 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:47:09,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-03 02:47:10,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:10,046 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:47:10,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:10,329 INFO L262 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:47:10,330 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:47:10,333 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:47:10,338 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-03 02:47:10,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:47:10,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 146 states and 205 transitions. [2023-12-03 02:47:10,349 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 205 transitions. [2023-12-03 02:47:10,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-12-03 02:47:10,350 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:47:10,350 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:47:10,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:47:10,351 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:47:10,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-03 02:47:10,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:10,893 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:47:11,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:11,179 INFO L262 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:47:11,182 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:47:11,186 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:47:11,192 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-03 02:47:11,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:47:11,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 146 states and 203 transitions. [2023-12-03 02:47:11,204 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 203 transitions. [2023-12-03 02:47:11,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 02:47:11,205 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:47:11,205 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:47:11,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:47:11,206 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:47:11,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-03 02:47:11,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:11,865 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:47:12,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:12,216 INFO L262 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:47:12,218 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:47:12,376 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:47:12,382 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-03 02:47:12,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:47:12,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 149 states and 205 transitions. [2023-12-03 02:47:12,403 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 205 transitions. [2023-12-03 02:47:12,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-03 02:47:12,404 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:47:12,404 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:47:12,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:47:12,405 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:47:12,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-03 02:47:13,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:13,271 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:47:13,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:13,700 INFO L262 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:47:13,705 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:47:14,075 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 02:47:14,084 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-03 02:47:25,279 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:47:35,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:47:45,325 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:47:55,348 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:47:56,682 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:47:58,855 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:48:00,943 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:48:02,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:48:02,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 195 states and 264 transitions. [2023-12-03 02:48:02,487 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 264 transitions. [2023-12-03 02:48:02,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-03 02:48:02,488 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:48:02,489 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:48:02,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:48:02,490 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:48:02,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-03 02:48:03,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:03,253 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:48:03,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:03,636 INFO L262 TraceCheckSpWp]: Trace formula consists of 510 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:48:03,638 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:48:03,642 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 02:48:03,651 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-03 02:48:03,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:48:03,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 195 states and 262 transitions. [2023-12-03 02:48:03,667 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 262 transitions. [2023-12-03 02:48:03,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-03 02:48:03,668 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:48:03,668 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:48:03,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:48:03,670 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:48:03,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-03 02:48:04,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:04,480 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:48:04,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:04,842 INFO L262 TraceCheckSpWp]: Trace formula consists of 504 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:48:04,844 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:48:04,848 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 02:48:04,857 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-03 02:48:04,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:48:04,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 195 states and 258 transitions. [2023-12-03 02:48:04,892 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 258 transitions. [2023-12-03 02:48:04,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-03 02:48:04,893 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:48:04,893 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:48:04,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:48:04,894 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:48:04,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-03 02:48:05,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:05,739 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:48:06,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:06,166 INFO L262 TraceCheckSpWp]: Trace formula consists of 513 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:48:06,168 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:48:06,386 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:48:06,397 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-03 02:48:06,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:48:06,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 198 states and 260 transitions. [2023-12-03 02:48:06,416 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 260 transitions. [2023-12-03 02:48:06,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-03 02:48:06,417 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:48:06,417 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:48:06,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:48:06,418 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:48:06,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-03 02:48:07,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:07,375 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:48:07,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:07,753 INFO L262 TraceCheckSpWp]: Trace formula consists of 530 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:48:07,755 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:48:07,759 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 02:48:07,771 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Forceful destruction successful, exit code 0 [2023-12-03 02:48:15,349 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:48:15,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:48:15,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 198 states and 258 transitions. [2023-12-03 02:48:15,395 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 258 transitions. [2023-12-03 02:48:15,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-03 02:48:15,396 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:48:15,396 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:48:15,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:48:15,397 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:48:15,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-03 02:48:16,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:16,558 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:48:16,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:17,034 INFO L262 TraceCheckSpWp]: Trace formula consists of 513 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:48:17,037 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:48:17,307 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:48:17,324 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-03 02:48:17,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:48:17,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 181 states and 237 transitions. [2023-12-03 02:48:17,347 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 237 transitions. [2023-12-03 02:48:17,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:48:17,348 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:48:17,348 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:48:17,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:48:17,349 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:48:17,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-03 02:48:18,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:18,674 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:48:19,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:19,150 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:48:19,153 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:48:19,423 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:48:19,440 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-03 02:48:19,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:48:19,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:48:19,740 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:48:19,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:48:19,740 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:48:19,741 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:48:19,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:48:19,742 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:48:19,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-03 02:48:20,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:20,981 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:48:21,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:21,429 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:48:21,432 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:48:21,448 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:48:21,467 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-03 02:48:21,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:48:21,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:48:21,483 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:48:21,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:48:21,484 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:48:21,484 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:48:21,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:48:21,486 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:48:21,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-03 02:48:22,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:22,657 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:48:23,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:23,125 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:48:23,129 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:48:23,147 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:48:23,165 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Forceful destruction successful, exit code 0 [2023-12-03 02:48:23,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:48:23,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:48:23,184 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:48:23,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:48:23,185 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:48:23,185 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:48:23,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:48:23,186 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:48:23,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-03 02:48:24,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:24,561 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:48:24,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:24,994 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:48:24,997 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:48:25,012 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:48:25,031 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-03 02:48:25,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:48:25,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:48:25,067 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:48:25,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:48:25,068 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:48:25,068 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:48:25,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:48:25,070 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:48:25,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-03 02:48:26,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:26,507 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:48:26,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:26,965 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:48:26,968 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:48:26,985 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:48:27,006 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-03 02:48:27,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:48:27,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:48:27,032 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:48:27,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:48:27,033 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:48:27,033 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:48:27,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:48:27,035 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:48:27,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-03 02:48:28,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:28,510 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:48:28,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:28,937 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:48:28,939 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:48:28,955 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:48:28,976 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-03 02:48:28,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:48:28,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:48:28,992 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:48:28,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:48:28,993 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:48:28,993 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:48:28,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:48:28,994 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:48:28,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-03 02:48:30,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:30,430 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:48:30,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:30,858 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:48:30,861 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:48:30,873 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:48:30,891 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-03 02:48:30,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:48:30,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:48:30,905 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:48:30,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:48:30,906 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:48:30,906 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:48:30,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:48:30,907 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:48:30,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-03 02:48:32,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:32,124 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:48:32,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:32,479 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:48:32,481 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:48:32,492 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:48:32,510 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Forceful destruction successful, exit code 0 [2023-12-03 02:48:32,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:48:32,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:48:32,523 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:48:32,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:48:32,524 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:48:32,524 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:48:32,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:48:32,525 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:48:32,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-03 02:48:33,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:33,759 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:48:34,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:34,129 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:48:34,131 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:48:34,143 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:48:34,163 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-03 02:48:34,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:48:34,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:48:34,175 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:48:34,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:48:34,175 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:48:34,175 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:48:34,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:48:34,176 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:48:34,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-03 02:48:35,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:35,466 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:48:35,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:35,798 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:48:35,800 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:48:35,812 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:48:35,834 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2023-12-03 02:48:35,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:48:35,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:48:35,846 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:48:35,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:48:35,847 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:48:35,847 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:48:35,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:48:35,848 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:48:35,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-03 02:48:37,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:37,215 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:48:37,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:37,580 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:48:37,583 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:48:37,596 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:48:37,616 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-03 02:48:37,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:48:37,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:48:37,632 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:48:37,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:48:37,633 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:48:37,633 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:48:37,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:48:37,634 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:48:37,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-03 02:48:39,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:39,086 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:48:39,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:39,461 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:48:39,462 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:48:39,475 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:48:39,496 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2023-12-03 02:48:39,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:48:39,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:48:39,510 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:48:39,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:48:39,510 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:48:39,510 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:48:39,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:48:39,511 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:48:39,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-03 02:48:40,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:40,942 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:48:41,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:41,271 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:48:41,273 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:48:41,287 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:48:41,309 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-03 02:48:41,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:48:41,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:48:41,333 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:48:41,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:48:41,333 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:48:41,334 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:48:41,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:48:41,335 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:48:41,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-03 02:48:42,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:42,781 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:48:43,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:43,134 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:48:43,136 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:48:43,147 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:48:43,168 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-03 02:48:43,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:48:43,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:48:43,180 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:48:43,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:48:43,181 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:48:43,181 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:48:43,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:48:43,182 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:48:43,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-03 02:48:44,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:44,732 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:48:45,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:45,087 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:48:45,089 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:48:45,102 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:48:45,125 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-03 02:48:45,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:48:45,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:48:45,138 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:48:45,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:48:45,139 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:48:45,139 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:48:45,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:48:45,140 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:48:45,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-03 02:48:46,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:46,739 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:48:47,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:47,135 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:48:47,137 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:48:47,149 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:48:47,172 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-03 02:48:47,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:48:47,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:48:47,184 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:48:47,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:48:47,185 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:48:47,185 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:48:47,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:48:47,186 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:48:47,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-03 02:48:48,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:48,744 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:48:49,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:49,091 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:48:49,093 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:48:49,105 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:48:49,129 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2023-12-03 02:48:49,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:48:49,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:48:49,152 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:48:49,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:48:49,153 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:48:49,153 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:48:49,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:48:49,154 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:48:49,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-03 02:48:50,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:50,608 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:48:50,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:50,965 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:48:50,967 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:48:50,978 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:48:51,003 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Forceful destruction successful, exit code 0 [2023-12-03 02:48:51,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:48:51,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:48:51,013 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:48:51,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:48:51,014 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:48:51,014 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:48:51,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:48:51,015 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:48:51,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-03 02:48:52,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:52,746 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:48:53,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:53,078 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:48:53,080 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:48:53,093 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:48:53,119 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2023-12-03 02:48:53,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:48:53,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:48:53,147 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:48:53,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:48:53,148 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:48:53,148 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:48:53,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:48:53,149 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:48:53,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-03 02:48:54,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:54,460 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:48:54,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:54,801 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:48:54,802 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:48:54,813 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:48:54,843 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2023-12-03 02:48:54,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:48:54,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:48:54,852 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:48:54,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:48:54,853 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:48:54,853 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:48:54,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:48:54,854 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:48:54,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-03 02:48:56,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:56,709 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:48:57,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:57,058 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:48:57,059 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:48:57,072 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:48:57,100 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-03 02:48:57,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:48:57,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:48:57,116 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:48:57,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:48:57,116 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:48:57,116 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:48:57,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:48:57,117 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:48:57,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-03 02:48:59,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:59,292 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:48:59,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:59,630 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:48:59,632 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:48:59,643 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:48:59,671 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2023-12-03 02:48:59,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:48:59,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:48:59,681 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:48:59,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:48:59,681 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:48:59,682 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:48:59,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:48:59,682 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:48:59,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-03 02:49:01,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:01,603 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:49:01,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:01,987 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:49:01,988 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:49:02,000 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:49:02,028 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2023-12-03 02:49:02,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:02,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:49:02,039 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:49:02,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:49:02,040 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:02,040 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:49:02,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:49:02,041 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:49:02,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-03 02:49:03,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:03,917 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:49:04,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:04,326 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:49:04,328 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:49:04,339 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:49:04,368 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2023-12-03 02:49:04,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:04,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:49:04,379 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:49:04,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:49:04,380 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:04,380 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:49:04,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:49:04,381 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:49:04,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-03 02:49:06,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:06,215 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:49:06,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:06,563 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:49:06,564 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:49:06,576 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:49:06,605 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2023-12-03 02:49:06,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:06,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:49:06,616 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:49:06,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:49:06,616 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:06,616 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:49:06,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:49:06,617 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:49:06,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-03 02:49:08,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:08,389 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:49:08,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:08,773 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:49:08,774 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:49:08,787 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:49:08,819 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-03 02:49:08,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:08,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:49:08,829 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:49:08,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:49:08,830 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:08,830 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:49:08,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:49:08,831 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:49:08,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-03 02:49:10,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:10,667 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:49:11,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:11,041 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:49:11,042 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:49:11,053 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:49:11,088 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2023-12-03 02:49:11,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:11,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:49:11,097 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:49:11,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:49:11,097 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:11,097 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:49:11,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:49:11,098 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:49:11,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-03 02:49:13,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:13,029 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:49:13,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:13,416 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:49:13,418 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:49:13,430 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:49:13,462 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2023-12-03 02:49:13,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:13,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:49:13,472 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:49:13,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:49:13,473 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:13,473 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:49:13,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:49:13,474 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:49:13,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-03 02:49:15,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:15,600 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:49:15,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:15,939 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:49:15,940 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:49:15,951 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:49:16,000 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2023-12-03 02:49:16,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:16,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:49:16,014 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:49:16,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:49:16,015 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:16,015 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:49:16,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:49:16,016 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:49:16,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-03 02:49:18,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:18,348 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:49:18,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:18,713 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:49:18,715 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:49:18,728 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:49:18,763 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2023-12-03 02:49:18,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:18,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:49:18,773 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:49:18,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:49:18,774 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:18,774 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:49:18,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:49:18,775 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:49:18,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-03 02:49:20,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:20,958 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:49:21,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:21,296 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:49:21,298 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:49:21,309 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:49:21,344 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2023-12-03 02:49:21,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:21,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:49:21,354 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:49:21,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:49:21,354 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:21,354 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:49:21,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:49:21,355 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:49:21,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2023-12-03 02:49:23,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:23,643 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:49:23,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:24,010 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:49:24,012 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:49:24,023 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:49:24,059 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2023-12-03 02:49:24,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:24,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:49:24,069 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:49:24,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:49:24,070 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:24,070 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:49:24,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:49:24,071 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:49:24,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2023-12-03 02:49:26,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:26,422 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:49:26,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:26,785 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:49:26,787 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:49:26,798 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:49:26,819 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2023-12-03 02:49:26,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:26,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:49:26,829 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:49:26,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:49:26,830 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:26,830 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:49:26,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:49:26,831 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:49:26,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2023-12-03 02:49:29,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:29,211 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:49:29,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:29,548 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:49:29,549 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:49:29,560 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:49:29,581 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2023-12-03 02:49:29,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:29,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:49:29,608 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:49:29,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:49:29,608 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:29,609 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:49:29,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:49:29,609 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:49:29,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2023-12-03 02:49:32,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:32,082 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:49:32,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:32,418 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:49:32,419 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:49:32,430 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:49:32,452 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2023-12-03 02:49:32,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:32,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:49:32,461 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:49:32,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:49:32,462 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:32,462 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:49:32,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:49:32,462 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:49:32,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2023-12-03 02:49:34,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:34,819 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:49:35,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:35,180 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:49:35,181 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:49:35,192 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:49:35,214 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2023-12-03 02:49:35,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:35,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:49:35,224 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:49:35,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:49:35,224 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:35,224 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:49:35,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:49:35,225 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:49:35,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2023-12-03 02:49:37,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:37,504 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:49:37,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:37,818 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:49:37,820 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:49:37,833 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:49:37,855 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2023-12-03 02:49:37,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:37,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:49:37,865 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:49:37,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:49:37,866 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:37,866 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:49:37,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:49:37,867 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:49:37,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2023-12-03 02:49:40,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:40,289 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:49:40,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:40,647 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:49:40,649 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:49:40,660 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:49:40,684 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2023-12-03 02:49:40,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:40,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:49:40,698 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:49:40,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:49:40,698 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:40,698 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:49:40,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:49:40,699 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:49:40,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2023-12-03 02:49:43,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:43,469 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:49:43,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:43,802 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:49:43,803 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:49:43,814 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:49:43,837 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2023-12-03 02:49:43,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:43,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:49:43,848 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:49:43,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:49:43,848 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:43,848 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:49:43,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:49:43,849 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:49:43,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2023-12-03 02:49:46,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:46,386 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:49:46,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:46,723 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:49:46,724 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:49:46,735 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:49:46,758 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2023-12-03 02:49:46,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:46,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:49:46,785 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:49:46,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:49:46,786 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:46,786 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:49:46,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:49:46,787 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:49:46,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2023-12-03 02:49:49,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:49,253 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:49:49,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:49,611 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:49:49,613 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:49:49,624 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:49:49,648 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2023-12-03 02:49:49,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:49,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:49:49,658 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:49:49,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:49:49,658 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:49,658 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:49:49,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:49:49,660 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:49:49,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2023-12-03 02:49:52,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:52,234 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:49:52,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:52,626 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:49:52,628 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:49:52,640 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:49:52,664 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2023-12-03 02:49:52,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:52,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:49:52,674 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:49:52,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:49:52,674 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:52,674 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:49:52,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:49:52,675 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:49:52,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2023-12-03 02:49:55,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:55,051 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:49:55,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:55,378 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:49:55,380 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:49:55,391 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:49:55,416 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2023-12-03 02:49:55,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:55,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:49:55,426 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:49:55,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:49:55,427 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:55,427 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:49:55,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:49:55,428 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:49:55,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2023-12-03 02:49:58,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:58,098 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:49:58,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:58,463 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:49:58,464 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:49:58,476 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:49:58,501 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Forceful destruction successful, exit code 0 [2023-12-03 02:49:58,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:58,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:49:58,515 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:49:58,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:49:58,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:58,515 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:49:58,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:49:58,516 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:49:58,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2023-12-03 02:50:01,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:01,213 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:50:01,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:01,591 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:50:01,593 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:50:01,604 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:50:01,629 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0 [2023-12-03 02:50:01,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:50:01,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:50:01,640 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:50:01,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:50:01,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:50:01,640 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:50:01,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:50:01,641 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:50:01,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2023-12-03 02:50:04,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:04,283 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:50:04,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:04,622 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:50:04,623 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:50:04,637 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:50:04,663 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Ended with exit code 0 [2023-12-03 02:50:04,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:50:04,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:50:04,673 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:50:04,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:50:04,674 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:50:04,674 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:50:04,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:50:04,674 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:50:04,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2023-12-03 02:50:07,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:07,632 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:50:07,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:07,971 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:50:07,973 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:50:07,984 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:50:08,010 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2023-12-03 02:50:08,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:50:08,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:50:08,020 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:50:08,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:50:08,020 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:50:08,021 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:50:08,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:50:08,021 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:50:08,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2023-12-03 02:50:10,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:10,823 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:50:11,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:11,164 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:50:11,165 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:50:11,176 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:50:11,203 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Ended with exit code 0 [2023-12-03 02:50:11,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:50:11,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:50:11,213 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:50:11,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:50:11,213 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:50:11,213 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:50:11,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:50:11,214 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:50:11,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2023-12-03 02:50:14,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:14,030 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:50:14,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:14,384 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:50:14,385 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:50:14,397 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:50:14,424 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2023-12-03 02:50:14,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:50:14,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:50:14,435 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:50:14,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:50:14,435 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:50:14,435 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:50:14,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:50:14,437 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:50:14,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2023-12-03 02:50:17,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:17,364 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:50:17,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:17,713 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:50:17,714 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:50:17,725 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:50:17,753 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2023-12-03 02:50:17,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:50:17,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:50:17,764 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:50:17,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:50:17,764 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:50:17,764 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:50:17,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:50:17,765 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:50:17,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2023-12-03 02:50:20,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:20,320 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:50:20,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:20,680 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:50:20,682 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:50:20,693 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:50:20,720 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Ended with exit code 0 [2023-12-03 02:50:20,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:50:20,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:50:20,731 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:50:20,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:50:20,732 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:50:20,732 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:50:20,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:50:20,733 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:50:20,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2023-12-03 02:50:23,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:23,941 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:50:24,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:24,306 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:50:24,308 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:50:24,318 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:50:24,346 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Ended with exit code 0 [2023-12-03 02:50:24,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:50:24,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:50:24,357 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:50:24,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:50:24,358 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:50:24,358 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:50:24,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:50:24,359 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:50:24,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2023-12-03 02:50:27,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:27,213 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:50:27,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:27,570 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:50:27,572 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:50:27,583 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:50:27,612 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Ended with exit code 0 [2023-12-03 02:50:27,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:50:27,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:50:27,622 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:50:27,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:50:27,622 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:50:27,622 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:50:27,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:50:27,623 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:50:27,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2023-12-03 02:50:30,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:30,119 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:50:30,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:30,503 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:50:30,505 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:50:30,516 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:50:30,548 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Ended with exit code 0 [2023-12-03 02:50:30,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:50:30,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:50:30,557 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:50:30,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:50:30,558 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:50:30,558 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:50:30,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:50:30,559 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:50:30,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2023-12-03 02:50:33,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:33,677 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:50:34,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:34,053 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:50:34,055 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:50:34,068 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:50:34,097 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Ended with exit code 0 [2023-12-03 02:50:34,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:50:34,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:50:34,107 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:50:34,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:50:34,108 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:50:34,108 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:50:34,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:50:34,109 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:50:34,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2023-12-03 02:50:36,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:36,989 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:50:37,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:37,352 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:50:37,353 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:50:37,365 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:50:37,395 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Ended with exit code 0 [2023-12-03 02:50:37,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:50:37,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:50:37,405 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:50:37,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:50:37,405 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:50:37,405 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:50:37,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:50:37,406 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:50:37,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2023-12-03 02:50:40,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:40,638 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:50:40,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:40,993 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:50:40,994 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:50:41,005 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:50:41,035 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Forceful destruction successful, exit code 0 [2023-12-03 02:50:41,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:50:41,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:50:41,045 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:50:41,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:50:41,046 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:50:41,046 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:50:41,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:50:41,047 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:50:41,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2023-12-03 02:50:44,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:44,262 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:50:44,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:44,622 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:50:44,624 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:50:44,656 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:50:44,686 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Forceful destruction successful, exit code 0 [2023-12-03 02:50:44,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:50:44,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:50:44,695 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:50:44,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:50:44,696 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:50:44,696 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:50:44,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:50:44,697 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:50:44,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2023-12-03 02:50:48,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:48,247 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:50:48,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:48,668 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:50:48,671 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:50:48,683 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:50:48,714 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Ended with exit code 0 [2023-12-03 02:50:48,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:50:48,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:50:48,724 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:50:48,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:50:48,724 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:50:48,724 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:50:48,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:50:48,725 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:50:48,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2023-12-03 02:50:52,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:52,011 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:50:52,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:52,356 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:50:52,358 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:50:52,370 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:50:52,403 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Forceful destruction successful, exit code 0 [2023-12-03 02:50:52,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:50:52,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:50:52,412 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:50:52,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:50:52,413 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:50:52,413 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:50:52,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:50:52,414 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:50:52,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2023-12-03 02:50:55,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:55,795 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:50:56,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:56,159 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:50:56,161 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:50:56,172 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:50:56,204 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Forceful destruction successful, exit code 0 [2023-12-03 02:50:56,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:50:56,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:50:56,214 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:50:56,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:50:56,214 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:50:56,214 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:50:56,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:50:56,215 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:50:56,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2023-12-03 02:50:59,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:59,750 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:51:00,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:00,122 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:51:00,124 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:51:00,135 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:51:00,168 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Ended with exit code 0 [2023-12-03 02:51:00,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:51:00,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:51:00,178 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:51:00,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:51:00,178 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:51:00,179 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:51:00,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:51:00,181 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:51:00,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2023-12-03 02:51:03,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:03,675 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:51:04,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:04,108 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:51:04,109 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:51:04,120 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:51:04,154 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Forceful destruction successful, exit code 0 [2023-12-03 02:51:04,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:51:04,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:51:04,164 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:51:04,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:51:04,164 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:51:04,164 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:51:04,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:51:04,165 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:51:04,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2023-12-03 02:51:07,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:07,588 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:51:07,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:07,978 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:51:07,980 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:51:07,992 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:51:08,025 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Ended with exit code 0 [2023-12-03 02:51:08,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:51:08,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:51:08,035 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:51:08,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:51:08,036 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:51:08,036 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:51:08,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:51:08,037 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:51:08,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2023-12-03 02:51:11,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:11,763 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:51:12,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:12,122 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:51:12,124 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:51:12,134 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:51:12,167 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Ended with exit code 0 [2023-12-03 02:51:12,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:51:12,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:51:12,177 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:51:12,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:51:12,177 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:51:12,178 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:51:12,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:51:12,179 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:51:12,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2023-12-03 02:51:15,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:15,886 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:51:16,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:16,248 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:51:16,250 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:51:16,262 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:51:16,301 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Ended with exit code 0 [2023-12-03 02:51:16,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:51:16,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:51:16,315 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:51:16,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:51:16,315 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:51:16,315 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:51:16,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:51:16,316 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:51:16,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2023-12-03 02:51:20,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:20,037 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:51:20,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:20,369 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:51:20,370 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:51:20,381 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:51:20,422 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Ended with exit code 0 [2023-12-03 02:51:20,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:51:20,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:51:20,432 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:51:20,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:51:20,432 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:51:20,432 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:51:20,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:51:20,433 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:51:20,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2023-12-03 02:51:24,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:24,223 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:51:24,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:24,563 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:51:24,565 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:51:24,576 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:51:24,612 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Ended with exit code 0 [2023-12-03 02:51:24,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:51:24,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:51:24,622 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:51:24,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:51:24,622 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:51:24,623 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:51:24,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:51:24,624 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:51:24,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2023-12-03 02:51:28,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:28,487 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:51:28,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:28,864 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:51:28,867 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:51:28,879 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:51:28,916 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Ended with exit code 0 [2023-12-03 02:51:28,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:51:28,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:51:28,926 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:51:28,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:51:28,927 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:51:28,927 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:51:28,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:51:28,928 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:51:28,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2023-12-03 02:51:32,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:32,926 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:51:33,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:33,323 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:51:33,325 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:51:33,336 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:51:33,372 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Ended with exit code 0 [2023-12-03 02:51:33,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:51:33,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:51:33,382 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:51:33,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:51:33,383 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:51:33,383 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:51:33,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:51:33,384 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:51:33,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2023-12-03 02:51:37,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:37,601 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:51:37,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:38,017 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:51:38,018 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:51:38,030 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:51:38,067 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Ended with exit code 0 [2023-12-03 02:51:38,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:51:38,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:51:38,078 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:51:38,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:51:38,078 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:51:38,078 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:51:38,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:51:38,079 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:51:38,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2023-12-03 02:51:42,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:42,145 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:51:42,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:42,487 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:51:42,489 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:51:42,501 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:51:42,540 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Ended with exit code 0 [2023-12-03 02:51:42,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:51:42,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:51:42,551 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:51:42,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:51:42,552 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:51:42,552 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:51:42,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:51:42,553 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:51:42,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2023-12-03 02:51:46,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:46,616 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:51:46,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:47,008 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:51:47,010 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:51:47,021 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:51:47,060 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Ended with exit code 0 [2023-12-03 02:51:47,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:51:47,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:51:47,070 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:51:47,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:51:47,070 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:51:47,070 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:51:47,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:51:47,071 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:51:47,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2023-12-03 02:51:51,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:51,257 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:51:51,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:51,598 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:51:51,600 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:51:51,611 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:51:51,648 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Ended with exit code 0 [2023-12-03 02:51:51,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:51:51,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:51:51,657 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:51:51,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:51:51,658 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:51:51,658 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:51:51,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:51:51,659 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:51:51,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2023-12-03 02:51:55,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:55,585 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:51:55,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:55,943 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:51:55,944 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:51:55,955 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:51:55,992 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Ended with exit code 0 [2023-12-03 02:51:56,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:51:56,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:51:56,002 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:51:56,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:51:56,003 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:51:56,003 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:51:56,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:51:56,004 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:51:56,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2023-12-03 02:51:59,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:59,910 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:52:00,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:00,265 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:52:00,267 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:52:00,277 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:52:00,315 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Ended with exit code 0 [2023-12-03 02:52:00,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:52:00,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:52:00,325 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:52:00,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:52:00,326 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:52:00,326 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:52:00,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:52:00,327 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:52:00,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2023-12-03 02:52:04,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:04,393 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:52:04,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:04,755 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:52:04,757 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:52:04,767 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:52:04,805 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Ended with exit code 0 [2023-12-03 02:52:04,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:52:04,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:52:04,815 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:52:04,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:52:04,816 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:52:04,816 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:52:04,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:52:04,817 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:52:04,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Waiting until timeout for monitored process [2023-12-03 02:52:09,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:09,425 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:52:09,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:09,865 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:52:09,867 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:52:09,878 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:52:09,917 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Ended with exit code 0 [2023-12-03 02:52:09,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:52:09,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:52:09,926 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:52:09,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:52:09,926 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:52:09,927 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:52:09,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:52:09,927 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:52:09,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2023-12-03 02:52:13,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:13,910 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:52:14,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:14,243 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:52:14,244 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:52:14,255 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:52:14,294 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Ended with exit code 0 [2023-12-03 02:52:14,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:52:14,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:52:14,304 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:52:14,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:52:14,305 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:52:14,305 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:52:14,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:52:14,306 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:52:14,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (101)] Waiting until timeout for monitored process [2023-12-03 02:52:19,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:19,198 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:52:19,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:19,589 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:52:19,591 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:52:19,603 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:52:19,644 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (101)] Forceful destruction successful, exit code 0 [2023-12-03 02:52:19,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:52:19,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:52:19,654 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:52:19,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:52:19,655 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:52:19,655 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:52:19,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:52:19,656 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:52:19,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2023-12-03 02:52:23,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:23,756 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:52:24,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:24,107 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:52:24,109 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:52:24,121 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:52:24,161 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (102)] Ended with exit code 0 [2023-12-03 02:52:24,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:52:24,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:52:24,171 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:52:24,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:52:24,171 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:52:24,171 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:52:24,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:52:24,172 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:52:24,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (103)] Waiting until timeout for monitored process [2023-12-03 02:52:28,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:28,413 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:52:28,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:28,787 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:52:28,789 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:52:28,800 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:52:28,845 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (103)] Ended with exit code 0 [2023-12-03 02:52:28,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:52:28,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:52:28,855 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:52:28,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:52:28,855 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:52:28,855 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:52:28,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:52:28,856 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:52:28,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2023-12-03 02:52:33,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:33,325 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:52:33,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:33,681 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:52:33,682 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:52:33,694 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:52:33,737 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (104)] Ended with exit code 0 [2023-12-03 02:52:33,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:52:33,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:52:33,766 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:52:33,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:52:33,766 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:52:33,766 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:52:33,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:52:33,767 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:52:33,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (105)] Waiting until timeout for monitored process [2023-12-03 02:52:38,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:38,578 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:52:38,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:38,929 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:52:38,931 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:52:38,940 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:52:38,985 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (105)] Ended with exit code 0 [2023-12-03 02:52:38,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:52:38,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:52:38,993 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:52:38,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:52:38,994 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:52:38,994 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:52:38,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:52:38,995 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:52:38,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2023-12-03 02:52:43,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:43,431 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:52:43,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:43,796 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:52:43,798 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:52:43,810 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:52:43,853 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (106)] Ended with exit code 0 [2023-12-03 02:52:43,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:52:43,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:52:43,863 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:52:43,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:52:43,863 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:52:43,863 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:52:43,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:52:43,864 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:52:43,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (107)] Waiting until timeout for monitored process [2023-12-03 02:52:48,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:48,306 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:52:48,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:48,662 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:52:48,664 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:52:48,676 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:52:48,718 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (107)] Ended with exit code 0 [2023-12-03 02:52:48,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:52:48,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:52:48,727 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:52:48,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:52:48,728 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:52:48,728 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:52:48,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:52:48,729 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:52:48,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2023-12-03 02:52:53,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:53,684 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:52:54,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:54,060 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:52:54,062 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:52:54,073 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:52:54,116 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (108)] Ended with exit code 0 [2023-12-03 02:52:54,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:52:54,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:52:54,126 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:52:54,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:52:54,126 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:52:54,126 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:52:54,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:52:54,127 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:52:54,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (109)] Waiting until timeout for monitored process [2023-12-03 02:52:58,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:58,878 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:52:59,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:59,215 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:52:59,217 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:52:59,228 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:52:59,272 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (109)] Ended with exit code 0 [2023-12-03 02:52:59,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:52:59,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:52:59,304 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:52:59,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:52:59,304 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:52:59,304 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:52:59,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:52:59,305 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:52:59,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2023-12-03 02:53:03,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:03,747 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:53:04,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:04,125 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:53:04,127 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:53:04,139 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:53:04,183 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (110)] Ended with exit code 0 [2023-12-03 02:53:04,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:53:04,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:53:04,192 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:53:04,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:53:04,193 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:53:04,193 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:53:04,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:53:04,194 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:53:04,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (111)] Waiting until timeout for monitored process [2023-12-03 02:53:08,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:08,721 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:53:09,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:09,062 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:53:09,064 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:53:09,074 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:53:09,119 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (111)] Ended with exit code 0 [2023-12-03 02:53:09,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:53:09,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:53:09,129 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:53:09,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:53:09,129 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:53:09,129 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:53:09,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:53:09,130 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:53:09,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (112)] Waiting until timeout for monitored process [2023-12-03 02:53:13,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:13,787 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:53:14,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:14,143 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:53:14,145 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:53:14,156 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:53:14,201 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (112)] Ended with exit code 0 [2023-12-03 02:53:14,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:53:14,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:53:14,210 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:53:14,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:53:14,210 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:53:14,210 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:53:14,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:53:14,211 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:53:14,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (113)] Waiting until timeout for monitored process [2023-12-03 02:53:19,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:19,002 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:53:19,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:19,367 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:53:19,369 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:53:19,380 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:53:19,425 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (113)] Ended with exit code 0 [2023-12-03 02:53:19,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:53:19,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:53:19,434 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:53:19,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:53:19,435 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:53:19,435 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:53:19,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:53:19,436 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:53:19,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (114)] Waiting until timeout for monitored process [2023-12-03 02:53:24,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:24,253 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:53:24,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:24,592 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:53:24,593 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:53:24,605 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:53:24,652 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (114)] Ended with exit code 0 [2023-12-03 02:53:24,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:53:24,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:53:24,664 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:53:24,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:53:24,664 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:53:24,664 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:53:24,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:53:24,665 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:53:24,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (115)] Waiting until timeout for monitored process [2023-12-03 02:53:29,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:29,319 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:53:29,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:29,666 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:53:29,667 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:53:29,679 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:53:29,724 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (115)] Ended with exit code 0 [2023-12-03 02:53:29,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:53:29,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:53:29,735 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:53:29,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:53:29,736 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:53:29,736 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:53:29,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:53:29,737 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:53:29,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (116)] Waiting until timeout for monitored process [2023-12-03 02:53:34,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:34,604 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:53:34,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:34,950 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:53:34,953 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:53:34,964 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:53:35,012 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (116)] Ended with exit code 0 [2023-12-03 02:53:35,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:53:35,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:53:35,021 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:53:35,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:53:35,022 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:53:35,022 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:53:35,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:53:35,023 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:53:35,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (117)] Waiting until timeout for monitored process [2023-12-03 02:53:40,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:40,330 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:53:40,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:40,791 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:53:40,792 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:53:40,803 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:53:40,853 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (117)] Ended with exit code 0 [2023-12-03 02:53:40,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:53:40,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:53:40,862 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:53:40,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:53:40,863 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:53:40,863 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:53:40,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:53:40,864 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:53:40,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (118)] Waiting until timeout for monitored process [2023-12-03 02:53:46,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:46,464 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:53:46,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:46,977 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:53:46,980 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:53:46,994 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:53:47,060 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (118)] Ended with exit code 0 [2023-12-03 02:53:47,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:53:47,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:53:47,074 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:53:47,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:53:47,074 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:53:47,074 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:53:47,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:53:47,075 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:53:47,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (119)] Waiting until timeout for monitored process [2023-12-03 02:53:52,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:52,765 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:53:53,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:53,129 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:53:53,131 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:53:53,143 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:53:53,190 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (119)] Forceful destruction successful, exit code 0 [2023-12-03 02:53:53,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:53:53,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:53:53,200 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:53:53,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:53:53,200 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:53:53,200 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:53:53,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:53:53,201 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:53:53,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (120)] Waiting until timeout for monitored process [2023-12-03 02:53:58,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:58,258 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:53:58,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:58,647 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:53:58,649 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:53:58,660 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:53:58,708 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (120)] Ended with exit code 0 [2023-12-03 02:53:58,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:53:58,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:53:58,717 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:53:58,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:53:58,717 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:53:58,717 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:53:58,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:53:58,718 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:53:58,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (121)] Waiting until timeout for monitored process [2023-12-03 02:54:03,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:03,823 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:54:04,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:04,187 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:54:04,188 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:54:04,197 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:54:04,246 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (121)] Ended with exit code 0 [2023-12-03 02:54:04,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:54:04,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:54:04,256 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:54:04,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:54:04,257 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:54:04,257 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:54:04,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:54:04,258 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:54:04,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (122)] Waiting until timeout for monitored process [2023-12-03 02:54:09,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:09,198 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:54:09,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:09,691 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:54:09,693 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:54:09,708 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:54:09,775 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (122)] Ended with exit code 0 [2023-12-03 02:54:09,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:54:09,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:54:09,787 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:54:09,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:54:09,788 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:54:09,788 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:54:09,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:54:09,789 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:54:09,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (123)] Waiting until timeout for monitored process [2023-12-03 02:54:16,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:16,223 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:54:16,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:16,591 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:54:16,593 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:54:16,603 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:54:16,652 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (123)] Ended with exit code 0 [2023-12-03 02:54:16,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:54:16,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:54:16,661 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:54:16,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:54:16,662 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:54:16,662 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:54:16,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:54:16,663 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:54:16,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (124)] Waiting until timeout for monitored process [2023-12-03 02:54:21,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:21,551 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:54:21,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:21,904 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:54:21,905 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:54:21,916 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:54:21,965 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (124)] Ended with exit code 0 [2023-12-03 02:54:21,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:54:21,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:54:21,979 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:54:21,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:54:21,980 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:54:21,980 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:54:21,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:54:21,981 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:54:21,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (125)] Waiting until timeout for monitored process [2023-12-03 02:54:27,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:27,610 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:54:27,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:27,945 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:54:27,946 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:54:27,957 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:54:28,007 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (125)] Ended with exit code 0 [2023-12-03 02:54:28,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:54:28,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:54:28,016 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:54:28,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:54:28,017 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:54:28,017 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:54:28,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:54:28,018 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:54:28,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (126)] Waiting until timeout for monitored process [2023-12-03 02:54:33,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:33,803 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:54:34,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:34,307 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:54:34,309 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:54:34,323 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:54:34,392 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (126)] Ended with exit code 0 [2023-12-03 02:54:34,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:54:34,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:54:34,404 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:54:34,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:54:34,404 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:54:34,404 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:54:34,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:54:34,405 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:54:34,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (127)] Waiting until timeout for monitored process [2023-12-03 02:54:41,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:41,080 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:54:41,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:41,405 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:54:41,407 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:54:41,418 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:54:41,468 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (127)] Ended with exit code 0 [2023-12-03 02:54:41,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:54:41,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:54:41,478 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:54:41,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:54:41,478 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:54:41,478 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:54:41,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:54:41,479 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:54:41,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (128)] Waiting until timeout for monitored process [2023-12-03 02:54:46,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:46,610 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:54:46,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:46,987 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:54:46,989 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:54:47,001 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:54:47,059 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (128)] Ended with exit code 0 [2023-12-03 02:54:47,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:54:47,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:54:47,069 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:54:47,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:54:47,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:54:47,069 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:54:47,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:54:47,070 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:54:47,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (129)] Waiting until timeout for monitored process [2023-12-03 02:54:52,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:52,302 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:54:52,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:52,659 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:54:52,661 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:54:52,672 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:54:52,724 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (129)] Ended with exit code 0 [2023-12-03 02:54:52,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:54:52,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:54:52,734 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:54:52,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:54:52,734 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:54:52,734 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:54:52,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:54:52,735 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:54:52,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (130)] Waiting until timeout for monitored process [2023-12-03 02:54:58,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:58,283 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:54:58,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:58,616 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:54:58,619 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:54:58,630 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:54:58,681 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (130)] Forceful destruction successful, exit code 0 [2023-12-03 02:54:58,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:54:58,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:54:58,691 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:54:58,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:54:58,691 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:54:58,691 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:54:58,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:54:58,692 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:54:58,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (131)] Waiting until timeout for monitored process [2023-12-03 02:55:04,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:04,898 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:55:05,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:05,304 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:55:05,305 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:55:05,316 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:55:05,368 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (131)] Ended with exit code 0 [2023-12-03 02:55:05,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:55:05,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:55:05,382 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:55:05,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:55:05,383 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:55:05,383 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:55:05,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:55:05,384 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:55:05,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (132)] Waiting until timeout for monitored process [2023-12-03 02:55:10,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:10,613 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:55:10,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:11,005 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:55:11,007 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:55:11,018 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:55:11,078 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (132)] Ended with exit code 0 [2023-12-03 02:55:11,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:55:11,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:55:11,086 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:55:11,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:55:11,087 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:55:11,087 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:55:11,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:55:11,088 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:55:11,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (133)] Waiting until timeout for monitored process [2023-12-03 02:55:16,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:16,652 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:55:16,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:16,981 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:55:16,983 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:55:16,993 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:55:17,046 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (133)] Ended with exit code 0 [2023-12-03 02:55:17,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:55:17,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 02:55:17,078 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 02:55:17,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:55:17,078 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:55:17,078 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:55:17,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:55:17,079 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:55:17,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fc61e8-3997-44e6-bb21-c9fe32800cec/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (134)] Waiting until timeout for monitored process [2023-12-03 02:55:23,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:23,419 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported